A Query On Lothlorien

[Raynor]

But do not think that only by singing amid the trees, nor even by the slender arrows of elven-bows, is this land of Lothlorien maintained and defended against its Enemy.

It would seem that it wasn't just the power of weapons that was protecting Lothlorien, as has been pointed previously. We should also remember that she has the ring of water, so protection against fire would be even more adequate.